Load Handling Vehicle Rear-Mounted Lifting Arm Visibility
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Solution Overview
Problem
Existing load handling vehicles face challenges in providing unobstructed visibility for the driver, optimizing engine compartment space for maintenance, effective cooling of the powertrain, and reducing exhaust gas emissions while ensuring efficient operation of exhaust gas treatment systems.
Innovation Solution
A vehicle design featuring a supporting chassis with a rear-mounted telescopic lifting arm, a powertrain positioned vertically below the lifting arm, and an exhaust gas treatment system optimally placed for efficient operation, along with a cooling system that maximizes cooling efficiency and minimizes space usage, and a counterweight for load balancing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the lifting arm is positioned in the conventional location, then the vehicle structure is simple, but the driver's visibility is hindered when the lifting arm is in the lowered position
Solution Approach 1:
The lifting arm is repositioned from a lateral position to a longitudinal position along the vehicle's length, utilizing the longitudinal dimension to clear the driver's lateral field of view. This dimensional relocation allows the lifting arm to be lowered without obstructing the driver's visibility through the side windows.
2Ease of operation
If the engine is positioned in the conventional engine compartment location, then the powertrain arrangement is simple, but maintenance access and cooling efficiency are reduced
Solution Approach 1:
The engine is repositioned from a transverse arrangement to a longitudinal arrangement along the vehicle's length, utilizing the longitudinal dimension to create adequate clearance for maintenance access and improved cooling airflow paths.
Solution Approach 2:
The engine positioning is optimized in advance to provide inherent maintenance access and cooling efficiency, eliminating the need for complex removable panels or restricted access designs that would be required with conventional positioning.
3Volume of moving object
If the engine compartment space is minimized, then the vehicle is more compact, but access to the powertrain and operating elements for maintenance is difficult
Solution Approach 1:
The powertrain components are arranged along the longitudinal dimension of the vehicle rather than occupying a compact transverse space, allowing maintenance access from the side while minimizing the overall engine compartment volume.
Data Source
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AI summary
A vehicle (10) for load handling, which comprises: - a supporting chassis (20) having a front section (21) provided with a front axle (23) equipped with a pair of front wheels (230) and a rear section (22) provided with a rear axle (24) equipped with a pair of rear wheels (240); - a load lifting arm (40) articulated to the rear section (22) of the supporting chassis (20) with the possibility of rotating around at least one swing axis (O) and having a longitudinal axis (B) parallel to a longitudinal axis (A) of the supporting chassis (20); and - a driver's cab (30) supported by the supporting chassis (20) and positioned on the side of an axial portion of the lifting arm (40).